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Finding the Fourth Proportional to 288,001.10, 432,001.65 and 288,001.10

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Solution

The fourth proportional to 288,001.10, 432,001.65 and 288,001.10 is: 432,001.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    288,001.10 : 432,001.65 = 288,001.10 : x
  2. Step 2: Convert to fraction form
    288,001.10/432,001.65 = 288,001.10/x
  3. Step 3: Cross multiply
    288,001.10x = 432,001.65 × 288,001.10
  4. Step 4: Simplify right side
    288,001.10x = 124,416,950,401.82
  5. Step 5: Solve for x
    x = 124,416,950,401.82/288,001.10
  6. Step 6: Final answer
    x = 432,001.65

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.